Stadium: Centre Court Round: 26 Ground: Clay
| ITF Romania F12 | 2017/08/30 10:00 | Grigelis, Laurynas v Merino, Alexander | 6-3,6-2 |
| US Open, New York, USA, Qualifying | 2017/08/23 17:40 | Lacko, Lukas v Grigelis, Laurynas | 6-3,6-4 |
| Challenger Liberec | 2017/08/04 12:00 | Safranek, Vaclav v Grigelis, Laurynas | 6-7,6-1,6-3 |
| Challenger Liberec | 2017/08/03 14:40 | Grigelis, Laurynas v Stebe, Cedrik-Marcel | 6-4,3-6,6-3 |
| Challenger Liberec | 2017/08/01 14:40 | Grigelis, Laurynas v Bellotti, Riccardo | 7-6,7-6 |
| ITF Lithuania F1 | 2017/07/19 13:25 | Grigelis, Laurynas v Brydolf, Patrik | 3-6,6-7 |
| ITF Lithuania F1 | 2017/07/18 12:45 | Grigelis, Laurynas v Numajiri, Keisuke | 6-1,6-3 |
| ITF Poland F5 | 2017/07/15 10:55 | Grigelis, Laurynas v Antonio Massara | 6-1,6-2 |
| ITF Romania F12 | 2017/08/30 11:55 | Manole, Alexandru Vasile v Cozma, Daniel | 6-2,6-1 |
| ITF Romania F12 | 2017/08/28 07:00 | Manole, Alexandru Vasile v Filip, Vladimir | 6-1,6-3 |
| ITF Romania F12 | 2017/08/27 10:30 | Manole, Alexandru Vasile v Daisuke Sumizawa | 6-0,6-3 |
| ITF Romania F11 | 2017/08/23 06:30 | Manole, Alexandru Vasile v Vilardo, Francesco | 1-6,1-6 |
| ITF Romania F11 Qual | 2017/08/22 07:00 | Manole, Alexandru Vasile v Fellin, Manfred | 6-3,6-3 |
| ITF Romania F11 Qual | 2017/08/20 06:00 | Manole, Alexandru Vasile v Lima, Enrico Dos Santos | 6-2,6-2 |
| ITF Romania F10 | 2017/08/14 08:15 | Manole, Alexandru Vasile v Aubone, Franco David | 3-6,6-3,2-6 |
| ITF Romania F10 | 2017/08/13 06:00 | Manole, Alexandru Vasile v Valentin Vanta | 6-4,6-3 |